The DiveListView had a singleSelectedTrip function that
returns the selected trip if exactly one trip is selected.
This could be very slow if numerous non-trip items were
selected, because all the selection indices were back-
translated by the proxy model.
This could make selection changes very slow, because the
MainTab used said function to determine whether it should
show trip or dive data.. Indeed, with a 3500 dive test log,
when selecting all dives in tree mode, the updating of the
TabWidgets is sped up from 130 ms to 5 ms this commit.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The DiveListView would touch the selection-innards directly.
Let's encapsulate that. Moreover, take care to reset the trip
selection when resetting the core data.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
To check wether the tab widgets should show the trip view, they called
the selectedTrips() function. The trip view was shown if that contained
only one trip. However, the selectedTrips() function was very slow,
because it has to query to core models.
Change the function to singleSelectedTrip(), which returns a trip
if there is exactly one trip selected. The function returns early
if there is more than one trip selected. This makes the select-all
case much faster.
There are two cases which are still very slow:
- List mode, because here all top-level items are queried.
- Dive log with many only top-level items.
Ultimately, we will have to cache the trip selection because
querying the model is too slow.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The old code would call QItemSelectionModel::select() once for every dive.
Instead collect the selection in a QItemSelection and only call
QItemSelectionModel::select() once. This makes selecting multiple dives
significantly faster.
The loop also expanded the trips with selections. This has now to be
done in an extra loop.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
When determining the selected dive sites to highlight them on the
map, the DiveListView code used the local indices of the selected
dives. However, that was unreasonably slow. Even though a layering
violation, let's access the core data structures directly. In my
tests this improved from 700 ms to 0 ms!
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The DiveListView widget has to differentiate between programmatical
und user-initiated selection changes. It did so by using the
DiveListNotifier::inCommand() flag.
However,
1) There is only one point of entry for such selection changes,
viz. the MultiFilterSortModel::selectionChanged() signal
2) This signal is not only emitted in command-context.
Another source is for example dive-map selection changes.
Therefore, move the programmatical-selection-change status down
to the widget and set/reset it in the diveSelectionChanged() slot.
This makes "select all visible dive sites" somewhat faster. Sadly,
not as much as expected.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This was used by the map to select dives. However, the map now calls
the core function directly, so this can be removed.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This was erroneous, as it should only be called at the end of
a selection change, not after every single dive. It made selection
of multiple dives extremely slow.
Reported-by: Jan Mulder <jlmulder@xs4all.nl>
Debugged-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
DiveListView::selectDive() is an overloaded function. The second
version was only called by the first version, so we can fold one
into the other.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The undo-machinery makes sure that a current_dive always exists
after an undo command. This part of the code should never be
called.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This appears to be an artifact. Collapsing does not unselect
the current dive, so reselecting it appears pointless.
Also it is unclear why the selection should be restricted to
a single dive after collapsing.
Probably that was originally meant to expand only the trip
with the current dive in it?
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Grammar-nazi ran
git grep -l 'indexes' | xargs sed -i '' -e 's/indexes/indices/g'
to prevent future wincing when reading the source code.
Unfortunatly, Qt itself is infected as in
QModelIndexList QItemSelection::indexes() const
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Commit 2cea115ddb "fixed" the selection
by hooking into mouseRelease events. An unintended consequence was
that scrolling with the cursor keys didn't update the current dive.
Therefore, also hook into the corresponding key-press events.
This is just horrible, but I'm not aware of any possibility to fix
it properly.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Fix two issues:
1) When narrowing the selection, we didn't get setSelection()
calls. Only, when the user released the mouse button was
the selection updated. Therefore, hook into the mouse-release-
event and update the UI if the selection changed.
2) We updated the ui in setSelection(). However, this was called
on mouse-move even if the actual selection didn't change.
Therefore, compare selection before and after processing of
the event and only refresh the UI if there are changes.
Clearly, this can only be a quick stopgap solution and we
should find out how to properly hook into the selection change
machinery. Though see commit 4928c4ae04
for the reason why we do things as we do them.
Fixes#2595
Reported-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
After selecting dives, the selected dive sites are collected.
This was done using the selectionModel()->selection().indexes(),
which is wrong, because it gives one index per row *and* column.
Accordingly, every dive site was added numerous times to the
array of dive sites to be selected. Change this to
selectionModel()->selectedRows(), which gives one entry per row.
Moreover, if multiple dives with the same site were selected,
this site was also added to the array multiple times. Therefore,
check the array before adding sites.
Note that all this should not change the user experience in
any way, it is only a code-hygiene thing.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The dive list accesses the filter model, therefore it makes sense
to also get the header data from there, even if they are only
forwarded from the source model.
This makes control flow more logical and will allow us to remove
the global DiveTripModel instance.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The selection changes upon completing the filter are handled by
the core. Don't do this explicitly in the DiveListView.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The QList served as backing store for backupExpandedRows()
and restoreExpandedRows(). However, these always came in
pairs in the same scope. There is no reason to store the
expanded rows over a longer time.
Therefore, return the expanded rows from backupExpandedRows()
and take them as argument in restoreExpandedRows(). Morover
replace the QList<int> by the much lighter std::vector<int>.
We certainly don't need copy-on-write, reference-counting and
immutability of iterators in this case.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Calls of these functions were removed in the previous commits.
Now, remove the functions themselves.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The old code saved, cleared and restored the selection. This
is not necessary anymore, because on model reset the selection,
which is stored in the core, is reset. Remove the unnecessary
selection handling.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The DiveListView caught signals from the DiveTripModel
with the corresponding indexes. However, the DiveListView
is actually connected to the MultiFilterSortModel and
thus has to translate the indexes.
Instead, catch the signals in the MultiFilterSortModel,
transform them and resend. Let the DiveListView get
its signal from the MultiFilterSortModel.
Yes, this makes things less efficient because there is
an extra signal. On the upside, the makes data-flow much
more logical. Selection will have to be fixed anyway.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The goal here is to unify desktop and mobile by moving
selection code from the desktop-only view.
Currently, initialization of the selection still has to be
called from the view after connecting the appropriate signals.
This is due to the weird way in which create completely new
models when resetting them.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The DiveListView has a function to select the first dive. Move
this to the core to be able to call it from all parts (not only
desktop) of the code.
Currently, this has a (small?) UI regression: when filtering dives
and no selected dive is visible anymore, the old code would select
the first dive in the list. The new code selects the newest dive,
which might not be the first if some sort-criterion is active.
To revert to the old behavior, it will be necessary to move the
sorting function likewise to the core.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Since we now have a selection.c translation unit, put the selection-
related functions there.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
When selecting all dives via CTRL-A or manually and the trips
were not expanded, the QSelectionModel sends a single
selectionChanged signal per trip. We are reloading the map
in every call, making this very slow.
I couldn't figure out how to make QSelectionModel behave more
nicely, therefore I chose the nuclear option: Remove the map
reloading from selectionChanged() and hook into all functions
that do selection changes. In these functions, first call the
original code and then do the selection-changed operations.
This will certainly need some tuning.
Reported-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The way this was accessed via Qt's model semantics was horrible.
This gives arguably more readable code, since we don't have to
shoehorn things through QVariants.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Split out the actual filtering from the MultiFilterSortModel.
Create a DiveFilter class that does the actual filtering.
Currently, mobile and desktop have their own version of this
class, though ultimately we may want to merge them.
The idea here is that the trip-model and undo-commands have
direct access to the filter-function and thus can take care
of keeping track of the number of shown dives, etc.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
In the future we might want to use undo-commands for mobile as
well (even if not implementing undo).
Therefore, move the undo-command source from desktop-widgets
to their own commands top-level folder.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
To test whether an entry is a trip, we passed a pointer to the
trip through a QVariant and tested that for null-ity.
Passing pointers through QVariants has given us myriads of
problems in QML, therefore introduce a bool IS_TRIP_ROLE
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Since requiring Qt >= 5.9.1, we can use the pointer-to-member-function
overloads of addAction (introduced in Qt 5.6). This has the advantage
of compile-time checking of the signal/slot parameters.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Since changing the highlighting to use the selected dive, dive
sites with no dive were never highlighted in dive site mode.
Obviously, because there was no dive to be selected.
Therefore special-case all dive-site selection code to recognize
when we are in dive site mode.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Owing to the recent changes, when the selection flag in the
MapLocationModel was not updated correctly when the user
manually selected the dive. Do that before raising the
divesSelected signal in DiveListView::selectionChanged()
because that will cause the MainWindow to repaint the flags.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
When clicking a dive site on the map, the QML code would set
the selected dive site, but then all dives of dive sites in
the vicinity were set. But still only the clicked-on dive site
was shown.
Therefore, don't set the list of selected dive sites in QML,
but later in DiveListView::selectDives(), where we know all
the dives that were selected.
This, again, gives nasty entanglement of diverse widgets and
models.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Move the declarations of the "report_error()" and "set_error_cb()"
functions and the "verbose" variable to errorhelper.h.
Thus, error-reporting translation units don't have to import the
big dive.h header file.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
In 2e230da361 the dive-selection signals
were unified. Sadly, this was done in a suboptimal way resulting in
numerous calls to updateDiveInfo(), which refreshes the main-tab.
Firstly, the MainWindow connected to selection changes from both,
the undo-command and the divelist. Secondly, every selected dive
in the divelist caused a single signal.
Thus, connect only to the divelist (this is necessary for user-initiated
selection changes) and only send a single signal in the divelist
per selection-reset.
This is still less than perfect as updateDiveInfo() is called even
if the current dive doesn't change.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
For historic reasons, there where three distinct signals concerning
dive-selection from the undo-machinery:
1) divesSelected: sent newly selected dives
2) currentDiveChanged: sent if the current dive changed
3) selectionChanged: sent at the end of a command if either the selection
or the current dive changed
Since now the undo-commands do a full reset of the selection, merge these
three signals into a single signal.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Some commands tried to retain the current selection on undo/redo,
others set the selection to the modified dives.
The latter was introduced because it was easier in some cases, but
it is probably more user-friendly because the user gets feedback
on the change.
Therefore, unify to always select the affected dives on undo()/redo().
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
These functions were spread out over dive.c and divelist.c.
Move them into their own file to make all this a bit less monolithic.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
DiveListView::selectDives() would only select new dives but not clear
the old selection. Thus, callers would have to clear the selection
first. That would lead to two selection-changed signals.
Move the unselectDives() call into DiveListView::selectDives().
The DiveListView has an internal flag to prevent double signals.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
If fields in a trip are edited, select that trip, which will display
the trip in the notes-box.
This is realized by hooking into the tripChanged signal in the dive-list.
A layering-violation, perhaps?
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The DiveTripModel was used to represent both, trip and list views.
Thus many functions had conditionals checking for the current mode
and both modes had to be represented by the same data structure.
Instead, split the model in two and derive them from a base class,
which implements common functions and defines an interface.
The model can be switched by a call to resetModel(), which invalidates
any pointer obtained by instance(). This is quite surprising
behavior. To handle it, straighten out the control flow:
DiveListView --> MultiFilterSortModel --> DiveTripModelBase
Before, DiveListView accessed DiveTripModelBase directly.
A goal of this commit is to enable usage of the same model by mobile
and desktop.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
